[jira] Updated: (CAMEL-2023) Allow the usage of velocity templates, which are placed/defined in the exchanges In message header or attachment

["Christian Mueller (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/activemq/browse/CAMEL-2023?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Christian Mueller updated CAMEL-2023:
-------------------------------------

    Attachment: camel-velocity.patch
                camel-velocity-tests.patch

> Allow the usage of velocity templates, which are placed/defined in the exchanges In message header or attachment
> ----------------------------------------------------------------------------------------------------------------
>
>                 Key: CAMEL-2023
>                 URL: https://issues.apache.org/activemq/browse/CAMEL-2023
>             Project: Apache Camel
>          Issue Type: Improvement
>          Components: camel-velocity
>         Environment: All
>            Reporter: Christian Mueller
>             Fix For: Future
>
>         Attachments: camel-velocity-tests.patch, camel-velocity.patch
>
>
> It would be nice, if the camel-velocity component also read templates from the exchange In message header or attachment. We could define this with following uri's (like in the camel-mina component):
> {code}
> velocity://header:templateHeaderName respectively velocity:header:templateHeaderName
> {code}
> and
> {code}
> velocity://attachment:templateAttachmentName respectively velocity:attachment:templateAttachmentName
> {code}
> I need this flexibility in a project, because the template, which we have to use, must be calculated at runtime and depends on some attributes of the message In body like:
> - Which event has triggered this exchange?
> - Which customer will receive this message?
> - Which protocol is used (smtp, smpp, xmpp, ...)?
> I add a more technical description of my requirements in form of four unit tests (see camel-velocity-tests.patch). :-)
> The second attachment (camel-velocity.patch) contains the patch, which I have developed to fulfill my requirements. I hope with this contribution, I can make camel a little bit better, than this great framework is already.
> Regards,
> Christian

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